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https://issues.apache.org/jira/browse/FLINK-13333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger updated FLINK-13333:
-----------------------------------
Component/s: Command Line Client
> Potentially NPE of preview plan functionality
> ---------------------------------------------
>
> Key: FLINK-13333
> URL: https://issues.apache.org/jira/browse/FLINK-13333
> Project: Flink
> Issue Type: Bug
> Components: Command Line Client
> Affects Versions: 1.10.0
> Reporter: TisonKun
> Priority: Major
>
> {{PackagedProgram#getPreviewPlan}} contains code as below
> {code:java}
> if (isUsingProgramEntryPoint()) {
> previewPlan = Optimizer.createPreOptimizedPlan(getPlan());
> } else if (isUsingInteractiveMode()) {
> // ...
> getPlan().getJobId();
> // ....
> }
> {code}
>
> when the latter {{#getPlan}} executed, it will finally execute
> {{program.getPlan(options)}} where {{program}} equals null.
> To solve this problem, we can replace {{getPlan}} with {{env.getPlan}}. Where
> {{env}} is an instance of {{PreviewPlanEnvironment}}
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